One-half
One-third
Two-third
Three-fourth
C. Two-third
Carnot cycle
Otto cycle
Joule's cycle
Stirling cycle
Principal stresses
Normal stresses on planes at 45°
Shear stresses on planes at 45°
Normal and shear stresses on a plane
1
1.4
1.45
2.3
Steel only
Concrete only
Steel and concrete both
None of these
0.224 litres
2.24 litres
22.4 litres
224 litres
Carnot cycle
Bell-Coleman cycle
Rankine cycle
Stirling cycle
Carnot cycle
Stirling cycle
Otto cycle
Diesel cycle
Shear force changes sign
Bending moment changes sign
Shear force is maximum
Bending moment is maximum
0.4 radian
0.8 radian
1.6 radian
3.2 radian
Temperature limits
Pressure ratio
Compression ratio
Cut-off ratio and compression ratio
Isothermal
Isentropic
Polytropic
None of these
The indirect heat exchanger and cooler is avoided
Direct combustion system is used
A condenser is used
All of the above
Decrease in cut-off
Increase in cut-off
Constant cut-off
None of these
Uniform throughout
Increase uniformly
First increase and then decrease
Increase uniformly first and then increase rapidly
Enthalpy
Internal energy
Entropy
External energy
Greater than
Less than
Equal to
None of these
The stress and strain induced is compressive
The stress and strain induced is tensile
Both A and B is correct
None of these
Sum
Difference
Product
Ratio
Two isothermals and two isentropic
Two isentropic and two constant volumes
Two isentropic, one constant volume and one constant pressure
Two isentropic and two constant pressures
Same
Double
Half
Four times
t
2t
4t
8t
Loss of heat
No loss of heat
Gain of heat
No gain of heat
Frequent heat treatment
Fatigue
Creep
Shock loading
The liquid fuels have higher calorific value than solid fuels
The solid fuels have higher calorific value than liquid fuels
A good fuel should have low ignition point
The liquid fuels consist of hydrocarbons
Petrol engine
Diesel engine
Reversible engine
Irreversible engine
Increase in availability of energy
Increase in temperature
Decrease in pressure
Degradation of energy
Thermal efficiency
Work ratio
Avoids pollution
None of these
e (1 - 2m)
e (1 - 2/m)
e (m - 2)
e (2/m - 1)
Boyle's law
Charles' law
Gay-Lussac law
Avogadro's law
Pressure exerted by the gas
Volume occupied by the gas
Temperature of the gas
All of these